.info-table {
  &>div:nth-child(1){
    margin-bottom: 10px;
    .ant-btn {
      margin-left: 20px;
    }
  }
}

.study-set-subject {
  display: flex;
}

.study-head {
  position: absolute;
  top: 340px;
  .ant-btn {
    margin-left: 20px;
  }
  &>span {
    margin-left: 20px;
  }
}

.notShowPicture {
    position: absolute;
    top: -5000px;
}
canvas {
  margin-left: 520px;
  transform: scale(0.3);
  transform-origin: left top;
}
.showPicture {
  position: absolute;
  left: 0;
  top: 0px;
}
.video-study-content {
  position: relative;
}
.study-table {
position: absolute;
top: 380px;
}
.study-btn {
  display: flex;
}